C04B 35/4885
With aluminium oxide
Official title: {with aluminium oxide}
C04B35/4885 (With aluminium oxide) appears on 287 US grants and 372 published applications in this corpus.
Search patents in C04B- Granted patents
- 287
- Published applications
- 372
- Assignees
- 211
- Inventors
- 795
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 6 |
| 2003 | 4 | 2 |
| 2004 | 2 | 8 |
| 2005 | 3 | 8 |
| 2006 | 4 | 8 |
| 2007 | 2 | 12 |
| 2008 | 3 | 4 |
| 2009 | 6 | 9 |
| 2010 | 4 | 12 |
| 2011 | 3 | 7 |
| 2012 | 9 | 14 |
| 2013 | 6 | 9 |
| 2014 | 3 | 6 |
| 2015 | 5 | 18 |
| 2016 | 9 | 14 |
| 2017 | 10 | 20 |
| 2018 | 19 | 26 |
| 2019 | 21 | 30 |
| 2020 | 25 | 23 |
| 2021 | 18 | 32 |
| 2022 | 19 | 29 |
| 2023 | 20 | 17 |
| 2024 | 16 | 25 |
| 2025 | 21 | 27 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zirconia powder, zirconia sintered body, and method for producing zirconia sintered body21 Apr 2026US 12,606,489 B2Daiichi Kigenso Kagaku Kogyo Co., Ltd.
- CMAS-resistant thermal barrier coating for aero-engine parts17 Mar 2026US 12,577,168 B2Honeywell International Inc.
- Sintered body and method for producing the same10 Mar 2026US 12,570,579 B2Tosoh Corporation
- Metal oxide ceramic nanomaterials and methods of making and using same24 Feb 2026US 12,559,428 B2Ivoclar Vivadent AG
- Method for layer-wise manufacturing of a shaped body30 Dec 2025US 12,509,400 B2IO Tech Group Ltd.
- Process for improving flash sintering of ceramics and improved ceramics8 Oct 2026US 2026/0308072 A1The Regents of the University of Colorado, a body corporate
- Zirconia mill blank6 Aug 2026US 2026/0225958 A1Shofu Inc.
- Lithium-stuffed garnet thin films and pellets having an oxyfluorinated and/or fluorinated surface and methods of making and using the thin films and pellets2 Jul 2026US 2026/0188731 A1QuantumScape Battery, Inc.
- Sintered body9 Apr 2026US 2026/0097994 A1Tosoh Corporation
- Powder12 Mar 2026US 2026/0070848 A1Tosoh Corporation
Most cited
By later US patents
- Alumina-zirconia abrasive165US 4,457,767 ANorton Company · 1984
- Al.sub.2 O.sub.3 /ZrO.sub.2 ceramic96US 4,316,964 ARockwell International Corporation · 1982
- High-strength zirconia type sintered body96US 4,587,225 AToyo Soda Manufacturing Co., Ltd. · 1986
- Sintered ceramic shaped article wholly or predominantly of eutectic microstructure constituents71US 4,595,663 AFeldmuhle Aktiengesellschaft · 1986
- Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its preparation66US 4,525,464 AMax-Planck-Gesellschaft zur Forderung der Wissenschaften · 1985